Harriman High School is located in Harriman, an east Tennessee city with a population of approximately 6,000 people. As of the beginning of the 2022-2023 school year, we have an enrollment of approximately 350 students. We are accredited by the Southern Association of Colleges and Schools. Our school hosts grades nine through twelve. Our campus can serve in excess of 700 students. Our main building houses classrooms, a computer lab, two science labs, and an auditorium that seats approximately 630 people. Other buildings on campus provide facilities for our library, band, chorus, cafeteria, and gymnasium.

Feeder schools include Bowers Elementary School, Midtown Elementary School, and Harriman Middle School. We are one of five high schools in the Roane County School System. The other high schools in our county are Midway High School, Oliver Springs High School, Roane County High School, and Rockwood High School.